★★★★★ 5
Work Well
Works like you’d want it to and the price is great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2023
Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket KitCOMETIC StreetPro Kits cater to the budget minded street rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. This Part Fits: Year Make Model Submodel 1996 1997,1999 2000 Chevrolet C2500 Base 1996 1998 Chevrolet C2500 Cheyenne 1999 2000 Chevrolet C2500 LS 1996 1998 Chevrolet C2500
Quick Dispatch:
Your Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit ships.
Need Help?
Questions about Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Cometic Street Pro GM Gen-6 L21/29 454 Big Block 4.375in Bore .040in Top End Gasket Kit in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
Cometic Street Pro Toyota 7M-GE/7M-GTE Top End Gasket Kit 83mm Bore 0.051in MLS Cylinder Head Gasket
122.95
Cometic Street Pro Toyota 1993-97 2JZ-GE NON-TURBO 3.0L Inline 6 Bottom End Kit
124.00
Cometic Street Pro Toyota 1993-97 2JZ-GE NON-TURBO 3.0L Inline 6 87mm Top End Kit
202.58
Cometic Street Pro 02-05 Subaru WRX EJ205 DOHC 93mm Bore .027in Thick Complete Gasket Kit
147.77
Cometic Street Pro 04-06 Subaru EJ257 Gasket Kit Without Head Gasket
183.76
Cometic Street Pro 04-06 Subaru EJ257 DOHC STI 101mm Engine Gasket Kit
153.31
Cometic Street Pro 99-05 Subaru EJ251 SOHC 101mm Bore Complete Gasket Kit
120.61
4.4 ★★★★★
Based on 2255 reviews
Sort
Product Reviews
★★★★★ 5
Good fit
Good quality and good fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2023
★★★★★ 1
Not fit
I was overseas. They said it will fit this car 2024 RX350h, not at all, completely difference style. Tried to return it, no luck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2025
★★★★★ 5
Works
Works as it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Good and easy filter replacement
Filter was great and easy replacement
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
